@article{AFM_2012_37_2_a21,
     author = {Hari Bercovici and Dan Timotin},
     title = {Factorizations of analytic self-maps of the upper half-plane},
     journal = {Annales Fennici Mathematici},
     pages = {649--660},
     publisher = {mathdoc},
     volume = {37},
     number = {2},
     year = {2012},
     doi = {10.5186/aasfm.2012.3740},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.2012.3740/}
}